Which of the following statements about ice melting is true and why?
a. energy flows from the ice to its surroundings.
b. water molecules move from their fixed position.
c. water molecules lose energy.
d. the temperature of the ice increases as it melts.

An astronaut floating in space is trying to use her jetpack to get back to her space station, but she is being pulled away by a nearby planet, as shown in the image below. her jetpack provides a constant thrust of 310 n. if she angles her jetpack in such a way that it cancels out the vertical force due to the planet's gravity, what is her net horizontal force? thaud 487 o a. 54.8 n toward the space station o b. 212.9 n toward the space station o c. 185.2 n toward the space station o d 956 n toward the space station